library-mirrors/jquery
1
0
Fork 0
mirror of https://github.com/jquery/jquery.git synced 2024-11-23 02:54:22 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Experiment switching to using onreadystatechange rather than a setInterval for Ajax requests. Fixes #5735.

Browse Source
This commit is contained in:
jeresig 2009-12-30 23:53:06 -05:00
parent a00e63ea5a
commit fe6c86d530
1 changed files with 15 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
src/ajax.js
View File

@ -380,29 +380,21 @@ jQuery.extend({
} }
// Wait for a response to come back // Wait for a response to come back
var onreadystatechange = function( isTimeout ) { var onreadystatechange = xhr.onreadystatechange = function( isTimeout ) {
// The request was aborted, clear the interval and decrement jQuery.active // The request was aborted, clear the interval and decrement jQuery.active
if ( !xhr || xhr.readyState === 0 ) { if ( !xhr || xhr.readyState === 0 ) {
if ( ival ) { requestDone = true;
// clear poll interval xhr.onreadystatechange = function(){};
clearInterval( ival );
ival = null;
// Handle the global AJAX counter // Handle the global AJAX counter
if ( s.global && ! --jQuery.active ) { if ( s.global && ! --jQuery.active ) {
jQuery.event.trigger( "ajaxStop" ); jQuery.event.trigger( "ajaxStop" );
}
} }
// The transfer is complete and the data is available, or the request timed out // The transfer is complete and the data is available, or the request timed out
} else if ( !requestDone && xhr && (xhr.readyState === 4 || isTimeout === "timeout") ) { } else if ( !requestDone && xhr && (xhr.readyState === 4 || isTimeout === "timeout") ) {
requestDone = true; requestDone = true;
xhr.onreadystatechange = function(){};
// clear poll interval
if (ival) {
clearInterval(ival);
ival = null;
}
status = isTimeout === "timeout" ? status = isTimeout === "timeout" ?
"timeout" : "timeout" :
@ -446,19 +438,14 @@ jQuery.extend({
} }
}; };
if ( s.async ) { // Timeout checker
// don't attach the handler to the request, just poll it instead if ( s.async && s.timeout > 0 ) {
var ival = setInterval(onreadystatechange, 13); setTimeout(function() {
// Check to see if the request is still happening
// Timeout checker if ( xhr && !requestDone ) {
if ( s.timeout > 0 ) { onreadystatechange( "timeout" );
setTimeout(function() { }
// Check to see if the request is still happening }, s.timeout);
if ( xhr && !requestDone ) {
onreadystatechange( "timeout" );
}
}, s.timeout);
}
} }
// Send the data // Send the data